Finding the Fourth Proportional to 1,616,103.04, 2,230,237.68 and 890,977.28
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Solution
The fourth proportional to 1,616,103.04, 2,230,237.68 and 890,977.28 is: 1,229,557.18
Step by Step Solution
- Step 1: Write the proportion equation
1,616,103.04 : 2,230,237.68 = 890,977.28 : x - Step 2: Convert to fraction form
1,616,103.04/2,230,237.68 = 890,977.28/x - Step 3: Cross multiply
1,616,103.04x = 2,230,237.68 × 890,977.28 - Step 4: Simplify right side
1,616,103.04x = 1,987,091,101,879.91 - Step 5: Solve for x
x = 1,987,091,101,879.91/1,616,103.04 - Step 6: Final answer
x = 1,229,557.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.